/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import Ember from 'ember';

export function formatColumnSize(params/*, hash*/) {
  const precision = params[0];
  const scale = params[1];
  if (Ember.isEmpty(precision) && Ember.isEmpty(scale)) {
    return '';
  }
  let sizeString = '( ';
  if (precision) {
    sizeString = `${sizeString}${precision}`;
  }
  if (scale) {
    sizeString = `${sizeString}, ${scale}`;
  }
  sizeString = `${sizeString} )`;

  return sizeString;
}

export default Ember.Helper.helper(formatColumnSize);
